media: atomisp: remove left-over videobuf include

This source still included the media/videobuf-vmalloc.h
header, even though it is no longer used.

Since the old videobuf framework is about to be removed,
delete this include first.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

drivers/staging/media/atomisp/pci/atomisp_compat_css20.c

@@ -16,7 +16,6 @@
  *
  */
 
-#include <media/videobuf-vmalloc.h>
 #include <media/v4l2-dev.h>
 #include <media/v4l2-event.h>